300kVA–20000kVA High Voltage Test System For Transformer / GIS / Cable

SXBP series of high-capacity & high-voltage variable frequency series resonance test system is specially developed for AC withstand voltage tests of primary equipment with large capacity and high voltage in power systems. It can meet the on-site AC withstand voltage test requirements of various capacitive equipment in accordance with standard specifications.

The high-voltage test reactors adopt series-parallel combined structure. It can not only satisfy the withstand voltage test demands of high-voltage transformers, GIS, SF6 circuit breakers, transformers, bushings and other equipment, but also fulfill the withstand voltage test requirements for long-distance cross-linked cables. Featuring wide compatibility for various product tests, it serves as an ideal withstand voltage test equipment for power system maintenance and power engineering construction companies.

• Wide Application & Standard Compliance
  Suitable for AC withstand testing of power cables, transformers, GIS, switchgear, busbars, generators and motors. The system can be configured according to different test requirements and applicable international and national standards.
• Lightweight Modular Structure
  The modular design makes the system easier to transport, install and configure. Reactor modules can be flexibly combined according to the test voltage, capacity and load requirements.
• Precise Frequency & Pure Sine Wave
  The digital variable frequency power supply provides precise frequency adjustment and a high-quality sine wave output, ensuring stable and accurate resonance testing.
• Full Intelligent Safety Protection
  Integrated protection functions include overvoltage, overcurrent, overload and abnormal condition protection. The system can automatically stop the test when preset protection conditions are triggered.
• Automatic Test Control System
  The intelligent control system supports automatic resonance searching, voltage boosting, test timing and data recording, simplifying operation and improving test efficiency.
• Durable & Customizable
  Designed for reliable operation in both laboratory and field testing environments. Test voltage, capacity, frequency range, reactor configuration and other parameters can be customized according to specific project requirements.

• Long-distance cross-linked polyethylene (XLPE) cables rated at 110kV, 220kV and 500kV, including high-voltage cable insulation withstand voltage tests and commissioning tests for power transmission systems.
• GIS high-voltage combined electrical appliances, high-voltage coupling capacitors, capacitive voltage transformers (CVT), and other capacitive high-voltage equipment requiring AC withstand voltage testing up to 1000kV.
• Power transformers, including various voltage-level transformers, with a guaranteed test frequency range of 45Hz–65Hz to meet power frequency AC withstand voltage testing requirements.

• Q1:What is a Variable Frequency Series Resonance Test System?

  A:A Variable Frequency Series Resonance Test System is high voltage testing equipment used for AC withstand voltage testing of power equipment such as transformers, GIS, cables and circuit breakers.

• Q2:What is the capacity range of this resonance test system?

  A:The system capacity range is 300kVA to 20000kVA, with customizable solutions according to different test requirements.

• Q3:What is the output voltage range?

  A:The output frequency range is 20Hz–300Hz, allowing flexible resonance adjustment for different loads.

• Q4:Can it be used for transformer and GIS testing?

  A:Yes. The system is widely used for transformer AC withstand voltage tests, GIS insulation tests, and high voltage cable testing.

• Q5:Can the system be customized?

  A:Yes. The test voltage, capacity, reactor configuration and system design can be customized according to customer requirements.

• Q6:What standards does this system comply with?

  A:The system is designed according to relevant IEC and high voltage testing standards to meet power equipment testing requirements.